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CAD tip CAD tip # 1028:

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Q - question

How to export an AutoCAD DWG drawing to a hi-res raster file (e.g. TIFF,JPG)?

A - answer Use the Add-a-Plotter wizard (PLOTTERMANAGER) to add a raster "printer" - eg. for the TIFF format: use This Computer, select Raster File Formats (as Manufacturer) and under Model select TIFF (or PNG, JPG...).

Raster image size is unitless (in pixels, not inches or mm) - to increase resolution of the raster file (in pixels) set a "larger paper size". You can create a custom "paper" size for this "printer" - increase this paper size to achieve higher resolution (more pixels in the resulting raster file). The DPI (dots-per-inch) value is usually fixed (e.g. 100 dpi) so to get 2000 pixel resolution you will have to set 2000/100 = 20 inches page size. In higher AutoCAD versions you can use directly pixels so you don't need to recalculate page size values.

Under Device settings you can set the color depth (for color formats) - fewer colors means smaller files.

You can also export DWGs to other raster formats - CALS, JPG/JPEG, BMP, PNG, TGA, PCX. All standard print settings (line weights, plot styles...) will apply. And you can also use standard AutoCAD batch plot operations for these exports.

Please note that you cannot control resolution/quality for the direct JPGOUT, PNGOUT and similar commands.

ACAD2000LTADTMDTMap
100% *  CAD 
15.2.2001    143776x   FAQ  
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See also:
Tip 11159:How to load an ECW v3 format image in AutoCAD?
Tip 9698:Data formats supported in Autodesk InfraWorks 360.
Tip 9435:Saving an Inventor drawing as an image (background, resolution).
Tip 9348:How to add custom paper format to AutoCAD? (grayed)
Tip 9255:Align image, change width/height independently.


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